Compare 242639 vs 242642
| Property | 242639 | 242642 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 2426391 | 21 × 1213211 |
| Prime factorization | 242639 | 2 × 121321 |
| Divisors count | 2 | 4 |
| Divisors | 1, 242639 | 1, 2, 121321, 242642 |
| Number of properties | 4 | 1 |
| Harmonic primes | 8031st | |
| Isolated primes | 16395th | |
| Primes | 21442nd | |
| Semiprimes | 54369th | |
| Sexy primes (2nd member) | 5007th | |
| Roman numberals | ||
| Base 2 | 1110110011110011112 | 1110110011110100102 |
| Base 3 | 1100222111223 | 1100222112023 |
| Base 4 | 3230330334 | 3230331024 |
| Base 5 | 302310245 | 302310325 |
| Base 6 | 51111556 | 51112026 |
| Base 7 | 20302557 | 20302617 |
| Base 8 | 7317178 | 7317228 |
| Base 9 | 4087489 | 4087529 |
| Base 10 | 24263910 | 24264210 |
| Base 11 | 15633111 | 15633411 |
| Base 12 | b84bb12 | b850212 |
| Base 13 | 8659713 | 8659a13 |
| Base 14 | 645d514 | 645d814 |
| Base 15 | 4bd5e15 | 4bd6215 |
| Base 16 | 3b3cf16 | 3b3d216 |